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Dimas [21]
2 years ago
15

2. (02.01 LC) 2x - 20 Solve: 2x = 20 = 2x

Mathematics
1 answer:
Lubov Fominskaja [6]2 years ago
6 0
The answer is x = 10
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Ghella [55]

Answer:

j

Step-by-step explanation:

kn ajaba abajaba qvqhq qbq qhq qjq qbqqbqqbjq ghiga laalalaa

5 0
2 years ago
What is -√12+3√3? I need to know.
Gelneren [198K]

Answer:

√3

Step-by-step explanation:

√12=2√3

-2√3+3√3 = √3

Use calculator to estimate if necessary: 1.7320508075688773

4 0
3 years ago
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Somebody help me out
forsale [732]

Answer:

7.8(tan 67)

Step-by-step explanation:

7.8(tan 67)

= 18.4 (2 decimal place)

3 0
2 years ago
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Select the two values of x that are roots of this equation 3x^2 + 1 =5x
Zina [86]

Answer:

x = 1.434 and x=0.232

Step-by-step explanation:

To find the root of the equation stated above we need to:

(1) Write the polynomial equation with zero on the right hand side:

3x^{2} + 1 = 5x ⇒ 3x^{2} -5x + 1 = 0

(2) Divide the whole equation by 3

3x^{2} -5x + 1 = 0 ⇒ x^{2} -\frac{5}{3}x + \frac{1}{3}= 0

(3) Use the quadratic formula to solve the quadratic equation:

The quadratic formula states that the two solutions for a quadratic equation is given by:

\frac{-b±\sqrt{b^{2} - 4ac}}{2a} (1)

In this case, a = 1, b = -\frac{5}{3}, c= \frac{1}{3}

Substituiting a, b and c in equation (1) We get:

\frac{-\frac{5}{3}±\sqrt{(-\frac{5}{3})^{2} - 4(1)(\frac{1}{3})}}{2(1)} (1)

The two solutions are:

x = 1.434 and x=0.232

8 0
2 years ago
!!!*BRAINLIEST*!!!
QveST [7]

Answer:

A

Step-by-step explanation:

Area = length times height times width

Area = 164 x 82 x 9.8

= 131790.4

Multiply by 7.48 since it takes 7.48 gallons to fill a cubic foot then you find the answer of A.

8 0
2 years ago
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